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Enhanced Security Configuration (IE ESC) is designed to protect a server from dangerous websites capable to infect system with malware. You need to add a website to the Trusted sites zone to open all its content in IE. Enhanced Security Configuration is enabled by default in Internet Explorer on Windows Server 2016. In most cases such security restrictions are really helpful. But in some cases you might want to allow Internet Explorer open all websites including all third-party content without adding them as trusted ones. Here is how to disable Internet Explorer Enhanced Security Configuration in Windows Server 2016.

Here is an example. When Internet Explorer Enhanced Security Configuration is enabled you see this start page when you launch IE:

res://iesetup.dll/HardAdmin.htm

When you try to open a website, you will see a pop-up window telling you Content from the website listed below is being blocked by the IE ESC: Here you need to either click Add to add the website to the Trusted sites zone or click Close to open in a restricted mode. In the last case a part of webpage content (such as JavaScript or web fonts) will be unavailable. Consequently, the majority of websites will loose a part of their functionality.